ACT Math › How to find circumference
A circle has an area of . Using this information find the circumference of the circle.
Find the circumference of a circle with radius 6.
A circle with an area of 13_π_ in2 is centered at point C. What is the circumference of this circle?
A running track can be formed by adding a semicircle to each of the short ends of a rectangle of dimension .
If Tracy runs one lap around the track described above, how far has she run?
If a circle has an area of , what is the circumference of the circle?
A circle has the equation below. What is the circumference of the circle?
(x – 2)2 + (y + 3)2 = 9
What is the circumference of a cirle with a radius of seven?
Leave your answer in terms of .
What is the circumference of a circle with a radius of six ft? Leave your answer in terms of .
A 6 by 8 rectangle is inscribed in a circle. What is the circumference of the circle?
A car tire has a radius of 18 inches. When the tire has made 200 revolutions, how far has the car gone in feet?